Recording the bad behavior of jw's is always a good thing! Will it make any difference to a jw? no, naturally they will not look at it nor believe it.
What is does do- helps keep people from joining in the first place! When non jw's who may have the slightest interest Google jw's and find all this negative information about the jw's they quickly dismiss this org as an option in their own personal spiritual quest.
It gives credence to those of us who try tell others about the jw's when we are not/never been one ourselves. People often do not believe the stories we can tell from the boards, personal emails, books, etc.... when we can say, 'don't believe me look it up yourself' and there is a glut of negative pr from actual former members it gives much more weight to what we may have said.
My thanks again to all ex jw's who have told their story here, elsewhere and had the courage to go public or to the courts with their stories.